./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_191da3f1-8fdf-4400-a231-10f4dcd12d02/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_191da3f1-8fdf-4400-a231-10f4dcd12d02/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_191da3f1-8fdf-4400-a231-10f4dcd12d02/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_191da3f1-8fdf-4400-a231-10f4dcd12d02/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_191da3f1-8fdf-4400-a231-10f4dcd12d02/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_191da3f1-8fdf-4400-a231-10f4dcd12d02/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f25a9f8800d2b9b6ef21419533be8e4411f52f7f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:26:05,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:26:05,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:26:05,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:26:05,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:26:05,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:26:05,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:26:05,722 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:26:05,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:26:05,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:26:05,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:26:05,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:26:05,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:26:05,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:26:05,727 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:26:05,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:26:05,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:26:05,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:26:05,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:26:05,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:26:05,734 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:26:05,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:26:05,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:26:05,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:26:05,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:26:05,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:26:05,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:26:05,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:26:05,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:26:05,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:26:05,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:26:05,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:26:05,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:26:05,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:26:05,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:26:05,746 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:26:05,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:26:05,747 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:26:05,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:26:05,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:26:05,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:26:05,749 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_191da3f1-8fdf-4400-a231-10f4dcd12d02/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:26:05,762 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:26:05,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:26:05,763 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:26:05,763 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:26:05,764 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:26:05,764 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:26:05,764 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:26:05,764 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:26:05,764 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:26:05,764 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:26:05,764 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:26:05,765 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:26:05,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:26:05,766 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:26:05,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:26:05,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:26:05,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:26:05,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:26:05,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:26:05,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:26:05,767 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:26:05,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:26:05,767 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:26:05,767 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:26:05,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:26:05,768 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:26:05,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:26:05,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:05,768 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:26:05,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:26:05,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:26:05,769 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:26:05,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:26:05,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:26:05,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:26:05,769 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_191da3f1-8fdf-4400-a231-10f4dcd12d02/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f25a9f8800d2b9b6ef21419533be8e4411f52f7f [2019-10-22 11:26:05,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:26:05,817 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:26:05,821 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:26:05,824 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:26:05,825 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:26:05,825 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_191da3f1-8fdf-4400-a231-10f4dcd12d02/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2019-10-22 11:26:05,877 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_191da3f1-8fdf-4400-a231-10f4dcd12d02/bin/utaipan/data/fae2ccc51/b3c3efaa5ef3461c86d5b213e863e8c3/FLAG822ccada5 [2019-10-22 11:26:06,315 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:26:06,316 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_191da3f1-8fdf-4400-a231-10f4dcd12d02/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2019-10-22 11:26:06,326 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_191da3f1-8fdf-4400-a231-10f4dcd12d02/bin/utaipan/data/fae2ccc51/b3c3efaa5ef3461c86d5b213e863e8c3/FLAG822ccada5 [2019-10-22 11:26:06,662 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_191da3f1-8fdf-4400-a231-10f4dcd12d02/bin/utaipan/data/fae2ccc51/b3c3efaa5ef3461c86d5b213e863e8c3 [2019-10-22 11:26:06,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:26:06,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:26:06,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:06,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:26:06,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:26:06,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:06" (1/1) ... [2019-10-22 11:26:06,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dca7905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:06, skipping insertion in model container [2019-10-22 11:26:06,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:26:06" (1/1) ... [2019-10-22 11:26:06,680 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:26:06,732 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:26:07,090 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:07,101 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:26:07,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:26:07,217 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:26:07,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:07 WrapperNode [2019-10-22 11:26:07,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:26:07,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:07,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:26:07,218 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:26:07,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:07" (1/1) ... [2019-10-22 11:26:07,237 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:07" (1/1) ... [2019-10-22 11:26:07,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:26:07,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:26:07,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:26:07,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:26:07,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:07" (1/1) ... [2019-10-22 11:26:07,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:07" (1/1) ... [2019-10-22 11:26:07,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:07" (1/1) ... [2019-10-22 11:26:07,290 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:07" (1/1) ... [2019-10-22 11:26:07,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:07" (1/1) ... [2019-10-22 11:26:07,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:07" (1/1) ... [2019-10-22 11:26:07,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:07" (1/1) ... [2019-10-22 11:26:07,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:26:07,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:26:07,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:26:07,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:26:07,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_191da3f1-8fdf-4400-a231-10f4dcd12d02/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:26:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:26:07,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:26:07,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:26:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:26:08,157 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:26:08,158 INFO L284 CfgBuilder]: Removed 120 assume(true) statements. [2019-10-22 11:26:08,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:08 BoogieIcfgContainer [2019-10-22 11:26:08,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:26:08,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:26:08,160 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:26:08,163 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:26:08,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:26:06" (1/3) ... [2019-10-22 11:26:08,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e3ea01a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:08, skipping insertion in model container [2019-10-22 11:26:08,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:26:07" (2/3) ... [2019-10-22 11:26:08,164 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e3ea01a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:26:08, skipping insertion in model container [2019-10-22 11:26:08,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:08" (3/3) ... [2019-10-22 11:26:08,166 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2019-10-22 11:26:08,175 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:26:08,184 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:26:08,194 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:26:08,225 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:26:08,225 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:26:08,225 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:26:08,226 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:26:08,226 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:26:08,226 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:26:08,226 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:26:08,226 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:26:08,245 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2019-10-22 11:26:08,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:26:08,253 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:08,254 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:08,256 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:08,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:08,262 INFO L82 PathProgramCache]: Analyzing trace with hash -611333278, now seen corresponding path program 1 times [2019-10-22 11:26:08,271 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:08,271 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042046098] [2019-10-22 11:26:08,271 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:08,271 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:08,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:08,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:08,488 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042046098] [2019-10-22 11:26:08,489 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:08,489 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:26:08,490 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452246309] [2019-10-22 11:26:08,494 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:26:08,495 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:08,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:26:08,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:26:08,508 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 2 states. [2019-10-22 11:26:08,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:08,536 INFO L93 Difference]: Finished difference Result 180 states and 269 transitions. [2019-10-22 11:26:08,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:26:08,537 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2019-10-22 11:26:08,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:08,548 INFO L225 Difference]: With dead ends: 180 [2019-10-22 11:26:08,548 INFO L226 Difference]: Without dead ends: 89 [2019-10-22 11:26:08,552 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:26:08,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2019-10-22 11:26:08,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2019-10-22 11:26:08,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2019-10-22 11:26:08,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2019-10-22 11:26:08,593 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 18 [2019-10-22 11:26:08,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:08,593 INFO L462 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2019-10-22 11:26:08,593 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:26:08,594 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2019-10-22 11:26:08,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:26:08,595 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:08,595 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:08,595 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:08,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:08,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1493643632, now seen corresponding path program 1 times [2019-10-22 11:26:08,596 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:08,596 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109020997] [2019-10-22 11:26:08,596 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:08,596 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:08,596 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:08,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:08,695 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109020997] [2019-10-22 11:26:08,695 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:08,695 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:26:08,695 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823160977] [2019-10-22 11:26:08,696 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:08,697 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:08,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:08,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:08,697 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand 3 states. [2019-10-22 11:26:08,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:08,712 INFO L93 Difference]: Finished difference Result 89 states and 126 transitions. [2019-10-22 11:26:08,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:08,715 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-22 11:26:08,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:08,716 INFO L225 Difference]: With dead ends: 89 [2019-10-22 11:26:08,716 INFO L226 Difference]: Without dead ends: 39 [2019-10-22 11:26:08,717 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:08,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-10-22 11:26:08,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-10-22 11:26:08,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-10-22 11:26:08,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2019-10-22 11:26:08,723 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 19 [2019-10-22 11:26:08,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:08,726 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2019-10-22 11:26:08,727 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:08,727 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2019-10-22 11:26:08,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:26:08,727 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:08,727 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:08,728 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:08,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:08,728 INFO L82 PathProgramCache]: Analyzing trace with hash 590350463, now seen corresponding path program 1 times [2019-10-22 11:26:08,728 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:08,729 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745693270] [2019-10-22 11:26:08,729 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:08,729 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:08,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:08,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:08,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:08,833 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745693270] [2019-10-22 11:26:08,833 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:08,833 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:26:08,833 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767618191] [2019-10-22 11:26:08,833 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:08,834 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:08,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:08,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:08,834 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand 3 states. [2019-10-22 11:26:08,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:08,844 INFO L93 Difference]: Finished difference Result 72 states and 104 transitions. [2019-10-22 11:26:08,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:08,847 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 11:26:08,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:08,848 INFO L225 Difference]: With dead ends: 72 [2019-10-22 11:26:08,848 INFO L226 Difference]: Without dead ends: 39 [2019-10-22 11:26:08,849 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:08,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-10-22 11:26:08,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-10-22 11:26:08,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-10-22 11:26:08,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2019-10-22 11:26:08,853 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 24 [2019-10-22 11:26:08,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:08,853 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2019-10-22 11:26:08,856 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:08,856 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2019-10-22 11:26:08,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:26:08,857 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:08,857 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:08,857 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:08,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:08,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1748150010, now seen corresponding path program 1 times [2019-10-22 11:26:08,858 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:08,858 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333421764] [2019-10-22 11:26:08,858 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:08,858 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:08,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:08,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:08,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:08,938 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333421764] [2019-10-22 11:26:08,938 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:08,938 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:26:08,938 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121997002] [2019-10-22 11:26:08,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:26:08,939 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:08,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:26:08,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:08,939 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand 3 states. [2019-10-22 11:26:08,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:08,965 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2019-10-22 11:26:08,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:26:08,965 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-10-22 11:26:08,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:08,966 INFO L225 Difference]: With dead ends: 95 [2019-10-22 11:26:08,966 INFO L226 Difference]: Without dead ends: 62 [2019-10-22 11:26:08,967 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:26:08,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2019-10-22 11:26:08,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2019-10-22 11:26:08,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2019-10-22 11:26:08,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2019-10-22 11:26:08,977 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 25 [2019-10-22 11:26:08,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:08,977 INFO L462 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2019-10-22 11:26:08,977 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:26:08,977 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2019-10-22 11:26:08,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 11:26:08,978 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:08,978 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:08,979 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:08,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:08,982 INFO L82 PathProgramCache]: Analyzing trace with hash 787955310, now seen corresponding path program 1 times [2019-10-22 11:26:08,982 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:08,982 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740384831] [2019-10-22 11:26:08,982 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:08,982 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:08,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:09,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:09,039 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740384831] [2019-10-22 11:26:09,040 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:09,040 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:26:09,040 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546426067] [2019-10-22 11:26:09,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:09,041 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:09,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:09,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:09,041 INFO L87 Difference]: Start difference. First operand 60 states and 84 transitions. Second operand 5 states. [2019-10-22 11:26:09,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:09,220 INFO L93 Difference]: Finished difference Result 314 states and 458 transitions. [2019-10-22 11:26:09,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:26:09,223 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-10-22 11:26:09,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:09,225 INFO L225 Difference]: With dead ends: 314 [2019-10-22 11:26:09,225 INFO L226 Difference]: Without dead ends: 260 [2019-10-22 11:26:09,226 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:26:09,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2019-10-22 11:26:09,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2019-10-22 11:26:09,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-10-22 11:26:09,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 146 transitions. [2019-10-22 11:26:09,261 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 146 transitions. Word has length 31 [2019-10-22 11:26:09,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:09,261 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 146 transitions. [2019-10-22 11:26:09,261 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:09,262 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 146 transitions. [2019-10-22 11:26:09,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 11:26:09,262 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:09,262 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:09,263 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:09,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:09,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1324804560, now seen corresponding path program 1 times [2019-10-22 11:26:09,263 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:09,263 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517254020] [2019-10-22 11:26:09,264 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:09,264 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:09,264 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:09,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:09,369 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517254020] [2019-10-22 11:26:09,369 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:09,369 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:26:09,369 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196553258] [2019-10-22 11:26:09,370 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:26:09,370 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:09,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:26:09,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:09,371 INFO L87 Difference]: Start difference. First operand 106 states and 146 transitions. Second operand 5 states. [2019-10-22 11:26:09,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:09,681 INFO L93 Difference]: Finished difference Result 499 states and 716 transitions. [2019-10-22 11:26:09,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:26:09,685 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2019-10-22 11:26:09,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:09,687 INFO L225 Difference]: With dead ends: 499 [2019-10-22 11:26:09,687 INFO L226 Difference]: Without dead ends: 445 [2019-10-22 11:26:09,688 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:26:09,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-10-22 11:26:09,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 152. [2019-10-22 11:26:09,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-10-22 11:26:09,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 210 transitions. [2019-10-22 11:26:09,737 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 210 transitions. Word has length 32 [2019-10-22 11:26:09,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:09,737 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 210 transitions. [2019-10-22 11:26:09,737 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:26:09,737 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 210 transitions. [2019-10-22 11:26:09,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 11:26:09,738 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:09,739 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:09,739 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:09,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:09,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1959045486, now seen corresponding path program 1 times [2019-10-22 11:26:09,739 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:09,740 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226176715] [2019-10-22 11:26:09,740 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:09,740 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:09,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:09,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:09,827 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226176715] [2019-10-22 11:26:09,827 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:09,827 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:26:09,827 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185104045] [2019-10-22 11:26:09,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:26:09,828 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:09,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:26:09,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:26:09,829 INFO L87 Difference]: Start difference. First operand 152 states and 210 transitions. Second operand 4 states. [2019-10-22 11:26:09,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:09,885 INFO L93 Difference]: Finished difference Result 428 states and 599 transitions. [2019-10-22 11:26:09,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:26:09,886 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-10-22 11:26:09,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:09,888 INFO L225 Difference]: With dead ends: 428 [2019-10-22 11:26:09,888 INFO L226 Difference]: Without dead ends: 326 [2019-10-22 11:26:09,889 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:26:09,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2019-10-22 11:26:09,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 152. [2019-10-22 11:26:09,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2019-10-22 11:26:09,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 209 transitions. [2019-10-22 11:26:09,922 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 209 transitions. Word has length 32 [2019-10-22 11:26:09,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:09,922 INFO L462 AbstractCegarLoop]: Abstraction has 152 states and 209 transitions. [2019-10-22 11:26:09,922 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:26:09,922 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 209 transitions. [2019-10-22 11:26:09,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 11:26:09,923 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:09,923 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:09,924 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:09,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:09,924 INFO L82 PathProgramCache]: Analyzing trace with hash -2077756372, now seen corresponding path program 1 times [2019-10-22 11:26:09,924 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:09,924 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609471017] [2019-10-22 11:26:09,925 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:09,925 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:09,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:10,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:10,001 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609471017] [2019-10-22 11:26:10,001 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:10,002 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:26:10,002 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41813031] [2019-10-22 11:26:10,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:26:10,002 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:10,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:26:10,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:26:10,003 INFO L87 Difference]: Start difference. First operand 152 states and 209 transitions. Second operand 6 states. [2019-10-22 11:26:10,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:10,098 INFO L93 Difference]: Finished difference Result 532 states and 741 transitions. [2019-10-22 11:26:10,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:26:10,098 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-10-22 11:26:10,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:10,100 INFO L225 Difference]: With dead ends: 532 [2019-10-22 11:26:10,100 INFO L226 Difference]: Without dead ends: 386 [2019-10-22 11:26:10,101 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:26:10,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2019-10-22 11:26:10,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 158. [2019-10-22 11:26:10,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2019-10-22 11:26:10,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 214 transitions. [2019-10-22 11:26:10,116 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 214 transitions. Word has length 32 [2019-10-22 11:26:10,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:10,117 INFO L462 AbstractCegarLoop]: Abstraction has 158 states and 214 transitions. [2019-10-22 11:26:10,117 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:26:10,117 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 214 transitions. [2019-10-22 11:26:10,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 11:26:10,118 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:10,118 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:10,118 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:10,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:10,118 INFO L82 PathProgramCache]: Analyzing trace with hash 662884577, now seen corresponding path program 1 times [2019-10-22 11:26:10,118 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:10,119 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520759424] [2019-10-22 11:26:10,119 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:10,119 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:10,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:10,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:10,204 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520759424] [2019-10-22 11:26:10,205 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:10,205 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:26:10,205 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287994763] [2019-10-22 11:26:10,206 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:26:10,206 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:10,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:26:10,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:26:10,206 INFO L87 Difference]: Start difference. First operand 158 states and 214 transitions. Second operand 6 states. [2019-10-22 11:26:10,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:10,544 INFO L93 Difference]: Finished difference Result 1169 states and 1572 transitions. [2019-10-22 11:26:10,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-22 11:26:10,545 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-10-22 11:26:10,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:10,548 INFO L225 Difference]: With dead ends: 1169 [2019-10-22 11:26:10,548 INFO L226 Difference]: Without dead ends: 1017 [2019-10-22 11:26:10,549 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-10-22 11:26:10,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2019-10-22 11:26:10,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 296. [2019-10-22 11:26:10,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2019-10-22 11:26:10,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 395 transitions. [2019-10-22 11:26:10,584 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 395 transitions. Word has length 35 [2019-10-22 11:26:10,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:10,584 INFO L462 AbstractCegarLoop]: Abstraction has 296 states and 395 transitions. [2019-10-22 11:26:10,584 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:26:10,584 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 395 transitions. [2019-10-22 11:26:10,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 11:26:10,585 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:10,586 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:10,586 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:10,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:10,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1342942947, now seen corresponding path program 1 times [2019-10-22 11:26:10,586 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:10,587 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264484846] [2019-10-22 11:26:10,587 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:10,587 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:10,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:10,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:10,642 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264484846] [2019-10-22 11:26:10,642 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:10,642 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:26:10,642 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047062851] [2019-10-22 11:26:10,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:26:10,643 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:10,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:26:10,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:26:10,643 INFO L87 Difference]: Start difference. First operand 296 states and 395 transitions. Second operand 6 states. [2019-10-22 11:26:10,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:10,802 INFO L93 Difference]: Finished difference Result 771 states and 1042 transitions. [2019-10-22 11:26:10,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:26:10,803 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2019-10-22 11:26:10,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:10,804 INFO L225 Difference]: With dead ends: 771 [2019-10-22 11:26:10,804 INFO L226 Difference]: Without dead ends: 207 [2019-10-22 11:26:10,805 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:26:10,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2019-10-22 11:26:10,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 97. [2019-10-22 11:26:10,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2019-10-22 11:26:10,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 120 transitions. [2019-10-22 11:26:10,817 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 120 transitions. Word has length 35 [2019-10-22 11:26:10,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:10,818 INFO L462 AbstractCegarLoop]: Abstraction has 97 states and 120 transitions. [2019-10-22 11:26:10,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:26:10,818 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 120 transitions. [2019-10-22 11:26:10,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 11:26:10,818 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:26:10,818 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:26:10,819 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:26:10,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:26:10,819 INFO L82 PathProgramCache]: Analyzing trace with hash 384013147, now seen corresponding path program 1 times [2019-10-22 11:26:10,819 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:26:10,819 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972845637] [2019-10-22 11:26:10,819 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:10,820 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:26:10,820 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:26:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:26:10,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:26:10,881 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972845637] [2019-10-22 11:26:10,881 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:26:10,881 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:26:10,881 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203851769] [2019-10-22 11:26:10,882 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 11:26:10,882 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:26:10,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 11:26:10,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:26:10,882 INFO L87 Difference]: Start difference. First operand 97 states and 120 transitions. Second operand 7 states. [2019-10-22 11:26:11,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:26:11,073 INFO L93 Difference]: Finished difference Result 281 states and 347 transitions. [2019-10-22 11:26:11,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:26:11,073 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2019-10-22 11:26:11,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:26:11,074 INFO L225 Difference]: With dead ends: 281 [2019-10-22 11:26:11,074 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:26:11,074 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2019-10-22 11:26:11,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:26:11,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:26:11,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:26:11,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:26:11,075 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2019-10-22 11:26:11,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:26:11,075 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:26:11,075 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 11:26:11,076 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:26:11,076 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:26:11,080 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:26:11,426 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 170 [2019-10-22 11:26:11,579 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 138 [2019-10-22 11:26:11,837 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 145 [2019-10-22 11:26:11,967 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 112 [2019-10-22 11:26:12,207 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 158 [2019-10-22 11:26:12,597 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 177 [2019-10-22 11:26:12,959 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 165 [2019-10-22 11:26:13,717 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 44 [2019-10-22 11:26:14,235 WARN L191 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 54 [2019-10-22 11:26:14,482 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 40 [2019-10-22 11:26:14,932 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 29 [2019-10-22 11:26:15,313 WARN L191 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 24 [2019-10-22 11:26:15,940 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 32 [2019-10-22 11:26:16,139 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 43 [2019-10-22 11:26:16,733 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 24 [2019-10-22 11:26:16,912 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 44 [2019-10-22 11:26:17,312 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 24 [2019-10-22 11:26:17,315 INFO L439 ceAbstractionStarter]: At program point L102(lines 102 108) the Hoare annotation is: (let ((.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse1 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse0 (and .cse2 (<= ~waterLevel~0 1) .cse3 .cse4))) (or (and .cse0 .cse1) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2) (not (= 0 ULTIMATE.start_processEnvironment_~tmp~0)) (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) .cse1 (and .cse2 .cse3 .cse4) (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))) (and .cse0 (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0)) (and (and (< 0 (+ ULTIMATE.start_activatePump_~tmp~1 1)) (<= ULTIMATE.start_activatePump_~tmp~1 0) (and .cse2 .cse4)) (not .cse3))))) [2019-10-22 11:26:17,315 INFO L439 ceAbstractionStarter]: At program point L102-1(lines 102 108) the Hoare annotation is: false [2019-10-22 11:26:17,316 INFO L439 ceAbstractionStarter]: At program point L102-2(lines 102 108) the Hoare annotation is: false [2019-10-22 11:26:17,316 INFO L439 ceAbstractionStarter]: At program point L515(lines 511 517) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (<= 0 ~methaneLevelCritical~0)) [2019-10-22 11:26:17,316 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:26:17,316 INFO L439 ceAbstractionStarter]: At program point L317(lines 270 318) the Hoare annotation is: false [2019-10-22 11:26:17,316 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 312) no Hoare annotation was computed. [2019-10-22 11:26:17,316 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2019-10-22 11:26:17,316 INFO L439 ceAbstractionStarter]: At program point L450(lines 441 454) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (and .cse6 .cse7 .cse8)) (.cse4 (<= ~methaneLevelCritical~0 0)) (.cse3 (and .cse6 (<= ~waterLevel~0 1) .cse7 .cse8)) (.cse5 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 (and .cse1 .cse2)) (and .cse3 .cse0) (and .cse1 .cse4 .cse2 .cse5) (and .cse4 .cse3 .cse5)))) [2019-10-22 11:26:17,316 INFO L439 ceAbstractionStarter]: At program point L450-1(lines 441 454) the Hoare annotation is: false [2019-10-22 11:26:17,317 INFO L439 ceAbstractionStarter]: At program point L450-2(lines 441 454) the Hoare annotation is: false [2019-10-22 11:26:17,317 INFO L439 ceAbstractionStarter]: At program point L467-2(lines 467 481) the Hoare annotation is: false [2019-10-22 11:26:17,317 INFO L443 ceAbstractionStarter]: For program point L368(lines 368 372) no Hoare annotation was computed. [2019-10-22 11:26:17,317 INFO L443 ceAbstractionStarter]: For program point L368-3(lines 368 372) no Hoare annotation was computed. [2019-10-22 11:26:17,317 INFO L443 ceAbstractionStarter]: For program point L368-6(lines 368 372) no Hoare annotation was computed. [2019-10-22 11:26:17,317 INFO L439 ceAbstractionStarter]: At program point L253(lines 238 256) the Hoare annotation is: (let ((.cse9 (= 1 ~systemActive~0)) (.cse10 (= ~pumpRunning~0 0)) (.cse11 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2)) (.cse2 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse3 (and .cse9 .cse10 .cse11)) (.cse4 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))) (.cse6 (<= ~methaneLevelCritical~0 0)) (.cse7 (<= 0 ~methaneLevelCritical~0)) (.cse5 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse8 (and .cse9 (<= ~waterLevel~0 1) .cse10 .cse11))) (or (and (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (and .cse0 .cse1 .cse2 .cse6 .cse3 .cse4 .cse7) (and .cse8 .cse6 .cse7) (and .cse5 .cse8)))) [2019-10-22 11:26:17,317 INFO L439 ceAbstractionStarter]: At program point L253-1(lines 238 256) the Hoare annotation is: false [2019-10-22 11:26:17,317 INFO L439 ceAbstractionStarter]: At program point L253-2(lines 238 256) the Hoare annotation is: false [2019-10-22 11:26:17,317 INFO L443 ceAbstractionStarter]: For program point L468(line 468) no Hoare annotation was computed. [2019-10-22 11:26:17,318 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2019-10-22 11:26:17,318 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 357) no Hoare annotation was computed. [2019-10-22 11:26:17,318 INFO L443 ceAbstractionStarter]: For program point L337-2(lines 337 357) no Hoare annotation was computed. [2019-10-22 11:26:17,318 INFO L443 ceAbstractionStarter]: For program point L337-4(lines 337 357) no Hoare annotation was computed. [2019-10-22 11:26:17,318 INFO L439 ceAbstractionStarter]: At program point L73(lines 68 76) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (<= 0 ~methaneLevelCritical~0)) [2019-10-22 11:26:17,318 INFO L439 ceAbstractionStarter]: At program point L189(lines 182 192) the Hoare annotation is: (let ((.cse3 (not (= 0 ULTIMATE.start_processEnvironment_~tmp~0))) (.cse15 (= 1 ~systemActive~0)) (.cse16 (= ~pumpRunning~0 0)) (.cse17 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse2 (<= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse5 (<= ~methaneLevelCritical~0 0)) (.cse6 (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (<= 0 |ULTIMATE.start_isMethaneAlarm_#res|)) (.cse8 (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse11 (<= 0 ~methaneLevelCritical~0)) (.cse1 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse0 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2)) (.cse4 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse9 (and .cse15 .cse16 .cse17)) (.cse10 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))) (.cse12 (and (and .cse15 (<= ~waterLevel~0 1) .cse16 .cse17) .cse3)) (.cse13 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse14 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse2 .cse5 .cse6 .cse7 .cse8 .cse12 .cse11) (and .cse1 .cse0 .cse3 .cse4 .cse13 .cse9 .cse14 .cse10) (and .cse12 .cse13 .cse14)))) [2019-10-22 11:26:17,318 INFO L439 ceAbstractionStarter]: At program point L189-1(lines 182 192) the Hoare annotation is: false [2019-10-22 11:26:17,318 INFO L439 ceAbstractionStarter]: At program point L189-2(lines 182 192) the Hoare annotation is: false [2019-10-22 11:26:17,318 INFO L439 ceAbstractionStarter]: At program point L437(lines 432 440) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (< 0 (+ ULTIMATE.start_activatePump_~tmp~1 1)) (<= ULTIMATE.start_activatePump_~tmp~1 0) .cse1 (not .cse2)) (and (<= ~methaneLevelCritical~0 0) (and .cse0 (<= ~waterLevel~0 1) (not (= |ULTIMATE.start_getWaterLevel_#res| 2)) .cse2 .cse1) (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 0 ~methaneLevelCritical~0)))) [2019-10-22 11:26:17,318 INFO L439 ceAbstractionStarter]: At program point L437-1(lines 432 440) the Hoare annotation is: false [2019-10-22 11:26:17,319 INFO L439 ceAbstractionStarter]: At program point L437-2(lines 432 440) the Hoare annotation is: false [2019-10-22 11:26:17,319 INFO L443 ceAbstractionStarter]: For program point L272(lines 271 316) no Hoare annotation was computed. [2019-10-22 11:26:17,319 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:26:17,319 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2019-10-22 11:26:17,319 INFO L443 ceAbstractionStarter]: For program point L471-1(lines 95 101) no Hoare annotation was computed. [2019-10-22 11:26:17,319 INFO L439 ceAbstractionStarter]: At program point L405(lines 400 408) the Hoare annotation is: (let ((.cse13 (= 1 ~systemActive~0)) (.cse14 (= ~pumpRunning~0 0)) (.cse15 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse7 (not (= 0 ULTIMATE.start_processEnvironment_~tmp~0)))) (let ((.cse3 (and (and .cse13 (<= ~waterLevel~0 1) .cse14 .cse15) .cse7)) (.cse9 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse11 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (.cse5 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse6 (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2)) (.cse8 (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|))) (.cse0 (<= ~methaneLevelCritical~0 0)) (.cse1 (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse10 (and .cse13 .cse14 .cse15)) (.cse12 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))) (.cse4 (<= 0 ~methaneLevelCritical~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse3 .cse9 .cse11) (and .cse5 .cse6 .cse7 .cse8 .cse0 .cse1 .cse2 .cse10 .cse12 .cse4)))) [2019-10-22 11:26:17,319 INFO L439 ceAbstractionStarter]: At program point L405-1(lines 400 408) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse4 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (.cse5 (and .cse1 (<= ~waterLevel~0 1) .cse2 .cse3))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2) (not (= 0 ULTIMATE.start_processEnvironment_~tmp~0)) (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) .cse0 (and .cse1 .cse2 .cse3) .cse4 (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0))) (and .cse5 .cse0 .cse4) (and .cse1 (< 0 (+ ULTIMATE.start_activatePump_~tmp~1 1)) (<= ULTIMATE.start_activatePump_~tmp~1 0) .cse3 (not .cse2)) (and (<= ~methaneLevelCritical~0 0) .cse5 (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) (<= 0 ~methaneLevelCritical~0))))) [2019-10-22 11:26:17,319 INFO L439 ceAbstractionStarter]: At program point L405-2(lines 400 408) the Hoare annotation is: false [2019-10-22 11:26:17,319 INFO L439 ceAbstractionStarter]: At program point L405-3(lines 400 408) the Hoare annotation is: false [2019-10-22 11:26:17,319 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 277) no Hoare annotation was computed. [2019-10-22 11:26:17,319 INFO L439 ceAbstractionStarter]: At program point L405-4(lines 400 408) the Hoare annotation is: false [2019-10-22 11:26:17,320 INFO L439 ceAbstractionStarter]: At program point L405-5(lines 400 408) the Hoare annotation is: false [2019-10-22 11:26:17,320 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2019-10-22 11:26:17,320 INFO L443 ceAbstractionStarter]: For program point L538(lines 538 545) no Hoare annotation was computed. [2019-10-22 11:26:17,320 INFO L446 ceAbstractionStarter]: At program point L538-1(lines 538 545) the Hoare annotation is: true [2019-10-22 11:26:17,320 INFO L443 ceAbstractionStarter]: For program point L307(lines 307 311) no Hoare annotation was computed. [2019-10-22 11:26:17,320 INFO L443 ceAbstractionStarter]: For program point L307-2(lines 95 101) no Hoare annotation was computed. [2019-10-22 11:26:17,320 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 297) no Hoare annotation was computed. [2019-10-22 11:26:17,320 INFO L439 ceAbstractionStarter]: At program point L291-1(lines 291 297) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse3 (and .cse0 .cse2 .cse1))) (or (and (and (< 0 (+ ULTIMATE.start_activatePump_~tmp~1 1)) (<= ULTIMATE.start_activatePump_~tmp~1 0) (and .cse0 .cse1)) (not .cse2)) (and .cse3 (= ~methaneLevelCritical~0 ~systemActive~0)) (and .cse3 (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))))) [2019-10-22 11:26:17,320 INFO L443 ceAbstractionStarter]: For program point L127(lines 127 144) no Hoare annotation was computed. [2019-10-22 11:26:17,320 INFO L443 ceAbstractionStarter]: For program point L127-1(lines 127 144) no Hoare annotation was computed. [2019-10-22 11:26:17,320 INFO L443 ceAbstractionStarter]: For program point L127-2(lines 127 144) no Hoare annotation was computed. [2019-10-22 11:26:17,320 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:26:17,320 INFO L443 ceAbstractionStarter]: For program point L392(lines 392 396) no Hoare annotation was computed. [2019-10-22 11:26:17,321 INFO L439 ceAbstractionStarter]: At program point L95(lines 94 113) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (and .cse1 .cse3 .cse2))) (or (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0)) (and (and (< 0 (+ ULTIMATE.start_activatePump_~tmp~1 1)) (<= ULTIMATE.start_activatePump_~tmp~1 0) (and .cse1 .cse2)) (not .cse3)) (and .cse0 (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))))) [2019-10-22 11:26:17,321 INFO L443 ceAbstractionStarter]: For program point L95-1(lines 95 101) no Hoare annotation was computed. [2019-10-22 11:26:17,321 INFO L439 ceAbstractionStarter]: At program point L95-2(lines 94 113) the Hoare annotation is: false [2019-10-22 11:26:17,321 INFO L439 ceAbstractionStarter]: At program point L95-3(lines 94 113) the Hoare annotation is: false [2019-10-22 11:26:17,321 INFO L443 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2019-10-22 11:26:17,321 INFO L439 ceAbstractionStarter]: At program point L343-1(lines 1 925) the Hoare annotation is: (let ((.cse6 (= 1 ~systemActive~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (and .cse6 (<= ~waterLevel~0 1) .cse7 .cse8)) (.cse4 (<= ~methaneLevelCritical~0 0)) (.cse5 (<= 0 ~methaneLevelCritical~0)) (.cse1 (= ~methaneLevelCritical~0 ~systemActive~0)) (.cse2 (not (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4))) (.cse3 (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (<= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse0 .cse5) (and .cse4 (and .cse6 (and (= 1 ~waterLevel~0) .cse7 .cse8)) .cse5) (and .cse1 .cse2 .cse3 (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (= 0 ULTIMATE.start_isHighWaterLevel_~tmp~2) (not (= 0 ULTIMATE.start_processEnvironment_~tmp~0)) (not (= 0 |ULTIMATE.start_isHighWaterLevel_#res|)) (and .cse6 .cse7 .cse8) (not (= 0 ULTIMATE.start_isHighWaterLevel_~tmp___0~0)))) (and (and (and .cse6 .cse8) (< 0 (+ ULTIMATE.start_activatePump_~tmp~1 1)) (<= ULTIMATE.start_activatePump_~tmp~1 0)) (not .cse7))))) [2019-10-22 11:26:17,321 INFO L443 ceAbstractionStarter]: For program point L343-2(lines 343 356) no Hoare annotation was computed. [2019-10-22 11:26:17,321 INFO L439 ceAbstractionStarter]: At program point L343-3(lines 1 925) the Hoare annotation is: false [2019-10-22 11:26:17,321 INFO L443 ceAbstractionStarter]: For program point L343-4(lines 343 356) no Hoare annotation was computed. [2019-10-22 11:26:17,321 INFO L439 ceAbstractionStarter]: At program point L343-5(lines 1 925) the Hoare annotation is: false [2019-10-22 11:26:17,325 INFO L443 ceAbstractionStarter]: For program point L922(line 922) no Hoare annotation was computed. [2019-10-22 11:26:17,326 INFO L443 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2019-10-22 11:26:17,326 INFO L443 ceAbstractionStarter]: For program point L922-2(line 922) no Hoare annotation was computed. [2019-10-22 11:26:17,326 INFO L443 ceAbstractionStarter]: For program point L164(lines 164 170) no Hoare annotation was computed. [2019-10-22 11:26:17,326 INFO L443 ceAbstractionStarter]: For program point L131(lines 131 139) no Hoare annotation was computed. [2019-10-22 11:26:17,326 INFO L443 ceAbstractionStarter]: For program point L131-1(lines 131 139) no Hoare annotation was computed. [2019-10-22 11:26:17,326 INFO L443 ceAbstractionStarter]: For program point L164-2(lines 164 170) no Hoare annotation was computed. [2019-10-22 11:26:17,326 INFO L439 ceAbstractionStarter]: At program point L65(lines 1 925) the Hoare annotation is: (and (= 1 ~systemActive~0) (<= ~methaneLevelCritical~0 0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (<= 0 ~methaneLevelCritical~0)) [2019-10-22 11:26:17,326 INFO L443 ceAbstractionStarter]: For program point L131-2(lines 131 139) no Hoare annotation was computed. [2019-10-22 11:26:17,326 INFO L443 ceAbstractionStarter]: For program point L164-4(lines 164 170) no Hoare annotation was computed. [2019-10-22 11:26:17,327 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:26:17,327 INFO L443 ceAbstractionStarter]: For program point L445(lines 445 451) no Hoare annotation was computed. [2019-10-22 11:26:17,327 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 445 451) no Hoare annotation was computed. [2019-10-22 11:26:17,327 INFO L443 ceAbstractionStarter]: For program point L445-2(lines 445 451) no Hoare annotation was computed. [2019-10-22 11:26:17,327 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 251) no Hoare annotation was computed. [2019-10-22 11:26:17,327 INFO L443 ceAbstractionStarter]: For program point L247-2(lines 247 251) no Hoare annotation was computed. [2019-10-22 11:26:17,327 INFO L443 ceAbstractionStarter]: For program point L247-3(lines 247 251) no Hoare annotation was computed. [2019-10-22 11:26:17,327 INFO L443 ceAbstractionStarter]: For program point L247-5(lines 247 251) no Hoare annotation was computed. [2019-10-22 11:26:17,327 INFO L443 ceAbstractionStarter]: For program point L247-6(lines 247 251) no Hoare annotation was computed. [2019-10-22 11:26:17,327 INFO L443 ceAbstractionStarter]: For program point L247-8(lines 247 251) no Hoare annotation was computed. [2019-10-22 11:26:17,327 INFO L439 ceAbstractionStarter]: At program point L198(lines 193 201) the Hoare annotation is: (and (= 1 ~systemActive~0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (< 0 (+ ULTIMATE.start_activatePump_~tmp~1 1)) (<= ULTIMATE.start_activatePump_~tmp~1 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0) (not (= ~pumpRunning~0 0))) [2019-10-22 11:26:17,328 INFO L439 ceAbstractionStarter]: At program point L198-1(lines 193 201) the Hoare annotation is: false [2019-10-22 11:26:17,328 INFO L439 ceAbstractionStarter]: At program point L198-2(lines 193 201) the Hoare annotation is: false [2019-10-22 11:26:17,328 INFO L443 ceAbstractionStarter]: For program point L380(lines 380 384) no Hoare annotation was computed. [2019-10-22 11:26:17,328 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2019-10-22 11:26:17,328 INFO L443 ceAbstractionStarter]: For program point L281(lines 281 287) no Hoare annotation was computed. [2019-10-22 11:26:17,328 INFO L443 ceAbstractionStarter]: For program point L347-2(lines 347 353) no Hoare annotation was computed. [2019-10-22 11:26:17,328 INFO L439 ceAbstractionStarter]: At program point L281-1(lines 281 287) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (let ((.cse0 (and .cse1 .cse3 .cse2))) (or (and .cse0 (= ~methaneLevelCritical~0 ~systemActive~0) (not (= 0 ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4)) (not (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|))) (and (< 0 (+ ULTIMATE.start_activatePump_~tmp~1 1)) (<= ULTIMATE.start_activatePump_~tmp~1 0) (and .cse1 .cse2) (not .cse3)) (and .cse0 (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0))))) [2019-10-22 11:26:17,328 INFO L443 ceAbstractionStarter]: For program point L347-4(lines 347 353) no Hoare annotation was computed. [2019-10-22 11:26:17,328 INFO L446 ceAbstractionStarter]: At program point L547(lines 528 550) the Hoare annotation is: true [2019-10-22 11:26:17,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:26:17 BoogieIcfgContainer [2019-10-22 11:26:17,362 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:26:17,363 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:26:17,363 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:26:17,363 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:26:17,363 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:26:08" (3/4) ... [2019-10-22 11:26:17,367 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:26:17,389 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:26:17,389 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2019-10-22 11:26:17,390 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-10-22 11:26:17,390 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:26:17,391 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:26:17,391 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:26:17,418 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive) && !(0 == tmp)) && !(0 == \result)) || ((((methaneLevelCritical <= 0 && 0 <= \result) && \result <= 0) && ((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((methaneLevelCritical <= 0 && 1 == systemActive && (1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((methaneLevelCritical == systemActive && !(0 == tmp)) && !(0 == \result)) && ((((\result == 0 && 0 == tmp) && !(0 == tmp)) && !(0 == \result)) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0))) || ((((1 == systemActive && 0 == splverifierCounter) && 0 < tmp + 1) && tmp <= 0) && !(pumpRunning == 0)) [2019-10-22 11:26:17,419 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive) && !(0 == tmp)) && !(0 == \result)) || (((0 < tmp + 1 && tmp <= 0) && 1 == systemActive && 0 == splverifierCounter) && !(pumpRunning == 0))) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) [2019-10-22 11:26:17,419 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive) || (((((((\result == 0 && 0 == tmp) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0))) || (((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical)) || (((0 < tmp + 1 && tmp <= 0) && 1 == systemActive && 0 == splverifierCounter) && !(pumpRunning == 0)) [2019-10-22 11:26:17,420 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 0 && 0 == tmp) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0)) || (((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive) && !(0 == \result))) || ((((1 == systemActive && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0))) || ((((methaneLevelCritical <= 0 && ((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= \result) && \result <= 0) && 0 <= methaneLevelCritical) [2019-10-22 11:26:17,420 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((methaneLevelCritical == systemActive && \result == 0 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive)) || (((\result == 0 && methaneLevelCritical <= 0) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((methaneLevelCritical <= 0 && ((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) [2019-10-22 11:26:17,421 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((methaneLevelCritical <= 0 && (((1 == systemActive && waterLevel <= 1) && !(\result == 2)) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= \result) && \result <= 0) && 0 <= methaneLevelCritical) [2019-10-22 11:26:17,421 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 0 && 0 == tmp) && !(0 == \result)) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && methaneLevelCritical == systemActive) || ((((((\result == 0 && 0 == tmp) && !(0 == \result)) && methaneLevelCritical <= 0) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 <= methaneLevelCritical)) || (((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical)) || (methaneLevelCritical == systemActive && ((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) [2019-10-22 11:26:17,422 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && !(\result == 0)) && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0) [2019-10-22 11:26:17,423 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((methaneLevelCritical <= 0 && 0 <= \result) && \result <= 0) && (((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp)) && 0 <= methaneLevelCritical) || (((((((\result == 0 && 0 == tmp) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0))) || ((((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp)) && methaneLevelCritical == systemActive) && !(0 == \result))) || (((((((((\result == 0 && 0 == tmp) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 <= methaneLevelCritical) [2019-10-22 11:26:17,423 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((0 == tmp && \result == 0) && \result <= 0) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical <= 0) && 0 <= \result) && 0 <= \result) && \result <= 0) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 <= methaneLevelCritical) || ((((((\result <= 0 && methaneLevelCritical <= 0) && 0 <= \result) && 0 <= \result) && \result <= 0) && (((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp)) && 0 <= methaneLevelCritical)) || (((((((\result == 0 && 0 == tmp) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0))) || ((((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp)) && methaneLevelCritical == systemActive) && !(0 == \result)) [2019-10-22 11:26:17,476 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_191da3f1-8fdf-4400-a231-10f4dcd12d02/bin/utaipan/witness.graphml [2019-10-22 11:26:17,476 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:26:17,477 INFO L168 Benchmark]: Toolchain (without parser) took 10812.36 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 398.5 MB). Free memory was 940.5 MB in the beginning and 999.1 MB in the end (delta: -58.7 MB). Peak memory consumption was 339.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:17,478 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:26:17,478 INFO L168 Benchmark]: CACSL2BoogieTranslator took 551.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -189.7 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:17,478 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:17,478 INFO L168 Benchmark]: Boogie Preprocessor took 51.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:17,479 INFO L168 Benchmark]: RCFGBuilder took 836.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:17,479 INFO L168 Benchmark]: TraceAbstraction took 9202.56 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 251.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.2 MB). Peak memory consumption was 415.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:17,479 INFO L168 Benchmark]: Witness Printer took 113.45 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 999.1 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:26:17,481 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 551.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -189.7 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 836.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9202.56 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 251.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.2 MB). Peak memory consumption was 415.3 MB. Max. memory is 11.5 GB. * Witness Printer took 113.45 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 999.1 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 922]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 922]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 <= methaneLevelCritical - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive) || (((((((\result == 0 && 0 == tmp) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0))) || (((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical)) || (((0 < tmp + 1 && tmp <= 0) && 1 == systemActive && 0 == splverifierCounter) && !(pumpRunning == 0)) - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive) && !(0 == tmp)) && !(0 == \result)) || ((((methaneLevelCritical <= 0 && 0 <= \result) && \result <= 0) && ((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((methaneLevelCritical <= 0 && 1 == systemActive && (1 == waterLevel && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || (((methaneLevelCritical == systemActive && !(0 == tmp)) && !(0 == \result)) && ((((\result == 0 && 0 == tmp) && !(0 == tmp)) && !(0 == \result)) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0))) || ((((1 == systemActive && 0 == splverifierCounter) && 0 < tmp + 1) && tmp <= 0) && !(pumpRunning == 0)) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical <= 0 && 0 <= \result) && \result <= 0) && (((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp)) && 0 <= methaneLevelCritical) || (((((((\result == 0 && 0 == tmp) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0))) || ((((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp)) && methaneLevelCritical == systemActive) && !(0 == \result))) || (((((((((\result == 0 && 0 == tmp) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical <= 0) && 0 <= \result) && \result <= 0) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 <= methaneLevelCritical) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 <= methaneLevelCritical - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((1 == systemActive && methaneLevelCritical <= 0) && 1 == waterLevel) && pumpRunning == 0) && 0 <= methaneLevelCritical - InvariantResult [Line: 281]: Loop Invariant Derived loop invariant: ((((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive) && !(0 == tmp)) && !(0 == \result)) || (((0 < tmp + 1 && tmp <= 0) && 1 == systemActive && 0 == splverifierCounter) && !(pumpRunning == 0))) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 538]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: ((((1 == systemActive && !(\result == 0)) && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0) - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: (((methaneLevelCritical == systemActive && \result == 0 && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive)) || (((\result == 0 && methaneLevelCritical <= 0) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical)) || ((methaneLevelCritical <= 0 && ((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= methaneLevelCritical) - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: (((((((\result == 0 && 0 == tmp) && !(0 == \result)) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && methaneLevelCritical == systemActive) || ((((((\result == 0 && 0 == tmp) && !(0 == \result)) && methaneLevelCritical <= 0) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 <= methaneLevelCritical)) || (((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical)) || (methaneLevelCritical == systemActive && ((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: (((((((((((((0 == tmp && \result == 0) && \result <= 0) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical <= 0) && 0 <= \result) && 0 <= \result) && \result <= 0) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp___0)) && 0 <= methaneLevelCritical) || ((((((\result <= 0 && methaneLevelCritical <= 0) && 0 <= \result) && 0 <= \result) && \result <= 0) && (((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp)) && 0 <= methaneLevelCritical)) || (((((((\result == 0 && 0 == tmp) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0))) || ((((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == tmp)) && methaneLevelCritical == systemActive) && !(0 == \result)) - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 432]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0)) || ((((methaneLevelCritical <= 0 && (((1 == systemActive && waterLevel <= 1) && !(\result == 2)) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= \result) && \result <= 0) && 0 <= methaneLevelCritical) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive) || (((0 < tmp + 1 && tmp <= 0) && 1 == systemActive && 0 == splverifierCounter) && !(pumpRunning == 0))) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: (((((((((\result == 0 && 0 == tmp) && !(0 == tmp)) && !(0 == \result)) && methaneLevelCritical == systemActive) && (1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && !(0 == \result)) && !(0 == tmp___0)) || (((((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive) && !(0 == \result))) || ((((1 == systemActive && 0 < tmp + 1) && tmp <= 0) && 0 == splverifierCounter) && !(pumpRunning == 0))) || ((((methaneLevelCritical <= 0 && ((1 == systemActive && waterLevel <= 1) && pumpRunning == 0) && 0 == splverifierCounter) && 0 <= \result) && \result <= 0) && 0 <= methaneLevelCritical) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: ((((0 < tmp + 1 && tmp <= 0) && 1 == systemActive && 0 == splverifierCounter) && !(pumpRunning == 0)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical == systemActive)) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 93 locations, 3 error locations. Result: SAFE, OverallTime: 9.1s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.2s, HoareTripleCheckerStatistics: 1031 SDtfs, 1551 SDslu, 1974 SDs, 0 SdLazy, 287 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=296occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 1682 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 216 NumberOfFragments, 1100 HoareAnnotationTreeSize, 39 FomulaSimplifications, 894334 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 39 FomulaSimplificationsInter, 219454 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 23994 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...